Principal Software Engineer (GO and Rust, Engine)

Workato; Madrid; Presencial; EUR 120.000 - 180.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid remote work model

Health insurance

Stock options

EAP

Training budgets

Descripción de la vacante

Workato in Madrid is seeking an exceptional System Architect to lead the design and evolution of our platform architecture. This hands-on role requires deep technical expertise in secure, scalable systems and ownership of critical architectural decisions affecting performance and reliability.

You will design microservices, write production-grade Golang, model zero-downtime migrations, mentor engineers, and partner with Product, Security, SRE, and Infra to set platform-wide standards.

Formación

• Facilitate architectural decision-making and roadmaps.
• Proven track record with zero-downtime deployments and feature flags.
• Strong Golang coding skills for production systems.
• Excellent written and verbal communication for diverse audiences.
• Experience architecting large microservice environments and monoliths.
• Mentorship and cost analysis capabilities.
• Proficiency with Kubernetes, Docker, CI/CD pipelines, Terraform, and distributed patterns.
• Knowledge of Protocol Buffers, gRPC, WebSockets, Kafka, PostgreSQL.

Responsabilidades

• Lead design and evolution of platform architecture.
• Design microservices and production-ready specs.
• Create technical designs and proofs-of-concept in Golang.
• Architect secure, fault-tolerant systems with automated failover.
• Analyze legacy components and plan migration strategies.
• Plan implementation phases and deprecation timelines.
• Review and approve architectural designs with detailed feedback.
• Lead architecture review sessions across teams.
• Partner with PMs, Security, SRE, and Infra to set standards.
• Lead threat modeling and drive platform-wide initiatives.
• Mentor engineers on architectural best practices.
• Produce ADRs, runbooks, and API specifications.
• Create system diagrams and research technical solutions.
• Design zero-downtime migration strategies and acceptance criteria.

Conocimientos

Architectural decision-making

Golang production coding

Microservice architecture

Mentorship

Platform governance

Zero-downtime deployments

Security & encryption

Cloud & distributed systems

Kubernetes & Docker

CI/CD & Terraform

Herramientas

Kubernetes

Docker

CI/CD

Terraform

Service mesh (Istio/Linkerd)

Kafka

PostgreSQL

NoSQL

gRPC/Protobuf

Descripción del empleo

Responsibilities

• We are looking for an exceptional System Architect to lead the design and evolution of our platform architecture. This is a hands‑on role requiring deep technical expertise in building secure, scalable, and cost‑efficient systems. You will be responsible for critical architectural decisions affecting system performance, security, reliability, and modularity across our entire platform
• Design microservices and platform features from concept to production‑ready specifications
• Create technical designs for complex system components and develop proof‑of‑concepts in Golang
• Architect secure, fault‑tolerant systems with automated failover, circuit breakers, and end‑to‑end encryption
• Analyze existing system architecture to understand current implementations and plan gradual replacement of legacy components
• Plan implementation phases, migration strategies, and feature deprecation timelines
• Review and approve architectural designs from engineering teams with detailed feedback
• Lead architecture review sessions and facilitate technical decision‑making across teams
• Partner with Product Managers, Dev Leads, Security, SRE and Infrastructure teams to establish platform‑wide standards
• Lead threat modeling exercises and drive technical consensus for platform‑wide initiatives
• Mentor engineers on architectural best practices and resolve complex technical challenges
• Write comprehensive technical documentation including ADRs, design documents, runbooks, and API specifications
• Create visual system diagrams and research technical solutions from diverse sources
• Design zero‑downtime migration strategies and define acceptance criteria for architectural changes

Qualifications

• Ability to facilitate architectural decision‑making and create technical roadmaps
• Proven track record with feature flags, gradual rollouts, and zero‑downtime deployments
• Strong hands‑on Golang coding skills – must write production‑quality code
• Exceptional technical writing and communication abilities for diverse audiences
• Proven experience architecting both large microservice environments (100+ services) and monolithic applications
• Mentorship mindset and cost analysis capabilities
• Infrastructure & Operations: Working knowledge of Kubernetes, Docker, CI/CD pipelines, Infrastructure as Code (Terraform), distributed systems patterns (Saga, circuit breakers, retries)
• Communication & Data: Protocol Buffers, gRPC, WebSockets, Kafka event streaming, PostgreSQL (partitioning, replication, HA)
• Experience planning phased implementations and leading complex cross‑team projects
• 8+ years building scalable distributed systems, with 3+ years in System/Platform Architect roles
• Scale: Experience with systems handling millions of requests/events per day
• Security & Authentication: OAuth 2.0/OIDC, JWT, mTLS, data encryption, public key cryptography, zero‑trust architecture
• Experience with AI‑assisted workflows, particularly in system analysis and hunting for inconsistencies and corner cases
• Community: Open source contributions, conference speaking, technical writing
• Cloud & Compliance: AWS/GCP/Azure expertise, PCI‑DSS, HIPAA, SOC2
• Extended Infrastructure: Service mesh (Istio, Linkerd), NoSQL databases, Redis clustering, stream processing (Flink, Spark)
• Advanced Security: Key Management Systems (HSM, AWS KMS), Secrets Management (Vault), specific crypto algorithms
• Additional Languages: Ruby, Rust, Python, Java, C++, Kotlin‑multiplatform

Benefits

• Flexible Working Arrangements: We maintain a hybrid remote work model and provide everyone with best of breed technology tools that enable them to work anywhere, anytime.
• Great Employee Benefits: Such as an Employee Assistance Programme (EAP), Health Insurance, Referral Bonuses, and Workato Stock Options, tailored to the countries that our employees are based in.
• Professional Development Opportunities: We support individual career ambitions, and set aside training programs and budgets they can tap on to upgrade both soft and hard skills.
• Recreation Time: From virtual game nights to fitness sessions, there’s always time for a little fun on the calendars.
• Dedicated Wellness: We make it a point to dedicate time to pause, recharge and get to know each other better.